text: /*
   * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   *
   * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   *
   * This file contains Original Code and/or Modifications of Original Code
   * as defined in and that are subject to the Apple Public Source License
   * Version 2.0 (the 'License'). You may not use this file except in
   * compliance with the License. The rights granted to you under the License
   * may not be used to create, or enable the creation or redistribution of,
   * unlawful or unlicensed copies of an Apple operating system, or to
   * circumvent, violate, or enable the circumvention or violation of, any
   * terms of an Apple operating system software license agreement.
   *
   * Please obtain a copy of the License at
   * http://www.opensource.apple.com/apsl/ and read it before using this file.
   *
   * The Original Code and all software distributed under the License are
   * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
   * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
   * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
   * Please see the License for the specific language governing rights and
   * limitations under the License.
   *
   * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
   */
  /*
   * @OSF_COPYRIGHT@
   */
  /*
   * Mach Operating System
   * Copyright (c) 1992-1989 Carnegie Mellon University
   * All Rights Reserved.
   *
   * Permission to use, copy, modify and distribute this software and its
   * documentation is hereby granted, provided that both the copyright
   * notice and this permission notice appear in all copies of the
   * software, derivative works or modified versions, and any portions
   * thereof, and that both notices appear in supporting documentation.
   *
   * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   *
   * Carnegie Mellon requests users of this software to return to
   *
   *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   *  School of Computer Science
   *  Carnegie Mellon University
   *  Pittsburgh PA 15213-3890
   *
   * any improvements or extensions that they make and grant Carnegie Mellon
   * the rights to redistribute these changes.
   */
  /*
   */
  
  #ifndef _I386_FP_SAVE_H_
  #define _I386_FP_SAVE_H_
  
  /*
   * Control register
   */
  #define FPC_IE          0x0001          /* enable invalid operation
  	                                 *  exception */
  #define FPC_IM          FPC_IE
  #define FPC_DE          0x0002          /* enable denormalized operation
  	                                 *  exception */
  #define FPC_DM          FPC_DE
  #define FPC_ZE          0x0004          /* enable zero-divide exception */
  #define FPC_ZM          FPC_ZE
  #define FPC_OE          0x0008          /* enable overflow exception */
  #define FPC_OM          FPC_OE
  #define FPC_UE          0x0010          /* enable underflow exception */
  #define FPC_PE          0x0020          /* enable precision exception */
  #define FPC_PC          0x0300          /* precision control: */
  #define FPC_PC_24       0x0000                  /* 24 bits */
  #define FPC_PC_53       0x0200                  /* 53 bits */
  #define FPC_PC_64       0x0300                  /* 64 bits */
  #define FPC_RC          0x0c00          /* rounding control: */
  #define FPC_RC_RN       0x0000                  /* round to nearest or even */
  #define FPC_RC_RD       0x0400                  /* round down */
  #define FPC_RC_RU       0x0800                  /* round up */
  #define FPC_RC_CHOP     0x0c00                  /* chop */
  #define FPC_IC          0x1000          /* infinity control (obsolete) */
  #define FPC_IC_PROJ     0x0000                  /* projective infinity */
  #define FPC_IC_AFF      0x1000                  /* affine infinity (std) */
  
  /*
   * Status register
   */
  #define FPS_IE          0x0001          /* invalid operation */
  #define FPS_DE          0x0002          /* denormalized operand */
  #define FPS_ZE          0x0004          /* divide by zero */
  #define FPS_OE          0x0008          /* overflow */
  #define FPS_UE          0x0010          /* underflow */
  #define FPS_PE          0x0020          /* precision */
  #define FPS_SF          0x0040          /* stack flag */
  #define FPS_ES          0x0080          /* error summary */
  #define FPS_C0          0x0100          /* condition code bit 0 */
  #define FPS_C1          0x0200          /* condition code bit 1 */
  #define FPS_C2          0x0400          /* condition code bit 2 */
  #define FPS_TOS         0x3800          /* top-of-stack pointer */
  #define FPS_TOS_SHIFT   11
  #define FPS_C3          0x4000          /* condition code bit 3 */
  #define FPS_BUSY        0x8000          /* FPU busy */
  
  /*
   * Kind of floating-point support provided by kernel.
   */
  #define FP_NO           0               /* no floating point */
  #define FP_SOFT         1               /* software FP emulator */
  #define FP_287          2               /* 80287 */
  #define FP_387          3               /* 80387 or 80486 */
  #define FP_FXSR         4               /* Fast save/restore SIMD Extension */
  
  #endif  /* _I386_FP_SAVE_H_ */
  